At: lang auto compute 1 1 2 1 2 2 2 1 1 1 1 1 1 1
1. Alph: Type
2. L: LangOver(Alph)
3. EquivRel x,y:Alph*. x L-induced Equiv y
4. L 
Alph*
Prop
5. g: (x,y:Alph*//(x L-induced Equiv y))
6. l: Alph*
7. u: Alph
8. v: Alph*
9. (Result(A(g))v) = v x,y:Alph*//(x L-induced Equiv y)
10. 
u.v = nil
11. z1: Alph*
12. z2: Alph*
13. z: Alph*
14. L(z @ [u] @ z1) 
L(z @ [u] @ z2)
L(z @ (u.z1)) L(z @ (u.z2))
By: Reduce 14
Generated subgoals:None
About:
